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Effect of different pH and photoperiod regimens on the survival rate and developmental period of the larvae of Portunus pelagicus (Decapoda, Brachyura, Portunidae)

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Title Effect of different pH and photoperiod regimens on the survival rate and developmental period of the larvae of Portunus pelagicus (Decapoda, Brachyura, Portunidae)
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Creator Ravi,R
Manisseri,Mary K
 
Subject Portunus pelagicus
Photoperiod
Larval rearing
Larval development
Larval survival
 
Description Not Available
Crustacean larval development occurs within a narrow range of environmental parameters (Sastry, 1983). Among the abiotic characteristics that influence the developmental period and survival rate of the larvae, pH and photoperiod are of great importance. High and low levels of pH are known to adversely affect the physiology of the animals due to the increased amounts of ammonia and nitrite (Oanh et al., 2000). High values and sudden fluctuations in pH are found to cause disease outbreaks (Cheng and Chen, 1998) and stress (Oanh et al., 2000), respectively in crustacean larvae.
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Date 2021-09-16T08:12:48Z
2021-09-16T08:12:48Z
2013
 
Type Article
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/63133
 
Language English
 
Relation Not Available